[INFO] updating cached repository misoton665/se5problems_rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/misoton665/se5problems_rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/misoton665/se5problems_rust" "work/ex/clippy-test-run/sources/stable/gh/misoton665/se5problems_rust"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/misoton665/se5problems_rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/misoton665/se5problems_rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/misoton665/se5problems_rust"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/misoton665/se5problems_rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ba98891d652cd9402ba1a4d2d1464911a644a389 [INFO] sha for GitHub repo misoton665/se5problems_rust: ba98891d652cd9402ba1a4d2d1464911a644a389 [INFO] validating manifest of misoton665/se5problems_rust on toolchain stable [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of misoton665/se5problems_rust on toolchain stable+rustflags=-Dclippy::into_iter_on_array [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing misoton665/se5problems_rust [INFO] finished frobbing misoton665/se5problems_rust [INFO] frobbed toml for misoton665/se5problems_rust written to work/ex/clippy-test-run/sources/stable/gh/misoton665/se5problems_rust/Cargo.toml [INFO] started frobbing misoton665/se5problems_rust [INFO] finished frobbing misoton665/se5problems_rust [INFO] frobbed toml for misoton665/se5problems_rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/misoton665/se5problems_rust/Cargo.toml [INFO] crate misoton665/se5problems_rust has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] linting misoton665/se5problems_rust against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/misoton665/se5problems_rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dclippy::into_iter_on_array" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 49dbb627ff74e942feaad74d93263516b00336c8e0249894f2b8e821f28db59e [INFO] running `"docker" "start" "-a" "49dbb627ff74e942feaad74d93263516b00336c8e0249894f2b8e821f28db59e"` [INFO] [stderr] Checking se5problems v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: using `println!("")` [INFO] [stderr] --> src/problem/problem2.rs:21:3 [INFO] [stderr] | [INFO] [stderr] 21 | println!(""); [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `println!()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::println_empty_string)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/problem/problem1.rs:24:3 [INFO] [stderr] | [INFO] [stderr] 24 | return sum; [INFO] [stderr] | ^^^^^^^^^^^ help: remove `return` as shown: `sum` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_return)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/problem/problem1.rs:34:3 [INFO] [stderr] | [INFO] [stderr] 34 | return sum; [INFO] [stderr] | ^^^^^^^^^^^ help: remove `return` as shown: `sum` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/problem/problem1.rs:43:3 [INFO] [stderr] | [INFO] [stderr] 43 | return front + sum_by_recursive_fn(list); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `front + sum_by_recursive_fn(list)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/problem/problem2.rs:38:3 [INFO] [stderr] | [INFO] [stderr] 38 | return result_list; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `result_list` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: using `println!("")` [INFO] [stderr] --> src/problem/problem2.rs:21:3 [INFO] [stderr] | [INFO] [stderr] 21 | println!(""); [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `println!()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::println_empty_string)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string [INFO] [stderr] [INFO] [stderr] warning: manual implementation of an assign operation [INFO] [stderr] --> src/problem/problem1.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | sum = sum + *i; [INFO] [stderr] | ^^^^^^^^^^^^^^ help: replace it with: `sum += *i` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::assign_op_pattern)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern [INFO] [stderr] [INFO] [stderr] warning: manual implementation of an assign operation [INFO] [stderr] --> src/problem/problem1.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | sum = sum + head; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: replace it with: `sum += head` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern [INFO] [stderr] [INFO] [stderr] error: this comparison involving the minimum or maximum element for this type contains a case that is always true or always false [INFO] [stderr] --> src/problem/problem2.rs:29:8 [INFO] [stderr] | [INFO] [stderr] 29 | if list2_itr.len() <= 0 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[deny(clippy::absurd_extreme_comparisons)] on by default [INFO] [stderr] = help: because 0 is the minimum value for this type, the case where the two sides are not equal never occurs, consider using list2_itr.len() == 0 instead [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#absurd_extreme_comparisons [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `se5problems`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/problem/problem1.rs:24:3 [INFO] [stderr] | [INFO] [stderr] 24 | return sum; [INFO] [stderr] | ^^^^^^^^^^^ help: remove `return` as shown: `sum` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_return)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/problem/problem1.rs:34:3 [INFO] [stderr] | [INFO] [stderr] 34 | return sum; [INFO] [stderr] | ^^^^^^^^^^^ help: remove `return` as shown: `sum` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/problem/problem1.rs:43:3 [INFO] [stderr] | [INFO] [stderr] 43 | return front + sum_by_recursive_fn(list); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `front + sum_by_recursive_fn(list)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/problem/problem2.rs:38:3 [INFO] [stderr] | [INFO] [stderr] 38 | return result_list; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `result_list` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: manual implementation of an assign operation [INFO] [stderr] --> src/problem/problem1.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | sum = sum + *i; [INFO] [stderr] | ^^^^^^^^^^^^^^ help: replace it with: `sum += *i` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::assign_op_pattern)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern [INFO] [stderr] [INFO] [stderr] warning: manual implementation of an assign operation [INFO] [stderr] --> src/problem/problem1.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | sum = sum + head; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: replace it with: `sum += head` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern [INFO] [stderr] [INFO] [stderr] error: this comparison involving the minimum or maximum element for this type contains a case that is always true or always false [INFO] [stderr] --> src/problem/problem2.rs:29:8 [INFO] [stderr] | [INFO] [stderr] 29 | if list2_itr.len() <= 0 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[deny(clippy::absurd_extreme_comparisons)] on by default [INFO] [stderr] = help: because 0 is the minimum value for this type, the case where the two sides are not equal never occurs, consider using list2_itr.len() == 0 instead [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#absurd_extreme_comparisons [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `se5problems`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "49dbb627ff74e942feaad74d93263516b00336c8e0249894f2b8e821f28db59e"` [INFO] running `"docker" "rm" "-f" "49dbb627ff74e942feaad74d93263516b00336c8e0249894f2b8e821f28db59e"` [INFO] [stdout] 49dbb627ff74e942feaad74d93263516b00336c8e0249894f2b8e821f28db59e